Aquarium air pump



FIG. 1 is a perspective view of one embodiment of an aquarium air pump showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof.

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a second embodiment of an aquarium air pump showing my new design;

FIG. 9 is a perspective view of a third embodiment of an aquarium air pump showing my new design; and

FIG. 10 is a perspective view of a fourth embodiment of an aquarium air pump showing my new design.

The left end, rear elevation and bottom plan views of the embodiments of FIGS. 8-10 are essentially the same as the corresponding views of the first embodiment shown in FIGS. 3, 6 and 7, respectively.

The broken line showing of a cord in FIGS. 1, 2, 3, 4, 5 and 7 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an aquarium air pump, as shown and described. 